The Department of Home Affairs is a department of the Government of Australia that is charged with responsibilities for national security, protective services, emergency management, border control, immigration, refugees, citizenship, transport security and multicultural affairs.

[9] The Office was created after recommendations from the Review of Australia's Counter-Terrorism Machinery in 2015 in response to the 2014 Sydney hostage crisis.

The inaugural National Cyber Security Coordinator was Air Marshal Darren Goldie from 3 July 2023[11] to 14 November 2023, Hamish Hansford (Deputy Secretary of Cyber and Infrastructure Security) acted in the position after Goldie was recalled to Defence.

The National Cyber Coordinator also ensures effective partnerships between Commonwealth, state and territory governments, the private sector, non-governmental organisations, the research community and international partners.

The National Counter Foreign Interference Coordinator is responsible for policy development and strategic coordination of countering foreign interference and counter-espionage to protect the integrity of Australian national security and interests.

Accordingly, the Coordinator acts as an intergovernmental focal point for the Australian Federal Police, the Australian Security Intelligence Organisation, the Department of Foreign Affairs and Trade, the Attorney-General's Department, and elements of the Department of Defence such as the Defence Security and Vetting Service and Australian Defence Force Investigative Service.

The Centre also supports the Foreign Investment Review Board and brings together staff from across governmental authorities including from the Australian Treasury, the Department of Infrastructure and Regional Development, and the Department of the Environment and Energy.